Patents by Inventor Wen Ching Chiang

Wen Ching Chiang has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • Patent number: 8350172
    Abstract: Presented herein is an illuminated keyboard having: a key module having a plurality of keycaps, scissors structures, elastic members, and a membrane circuit board; a keyboard base plate having a plurality of positioning members corresponding to the keycaps and integrally formed on the keyboard base plate for positioning the keyboard module on the keyboard base plate; a light guiding plate disposed beneath the key module and over the keyboard base plate, the light guiding plate having a light incoming surface, a bottom surface intersecting the light incoming surface, a light outgoing surface opposite to the light incoming surface, and provided with light holes corresponding to the positioning members; light sources arranged on one side of the light incoming surface of the light guiding plate, wherein a light emitted from the light sources is transmitted into the light guiding plate from the light incoming surface and transmitted out of the light guiding plate from the outgoing surface; and a reflecting sheet d
    Type: Grant
    Filed: April 6, 2010
    Date of Patent: January 8, 2013
    Assignee: Chicony Electronics Co., Ltd.
    Inventors: Ching Cheng Tsai, Wen Ching Chiang
  • Publication number: 20100258420
    Abstract: Disclosed herein is an illuminated keyboard comprising: a key module having a plurality of keycaps, scissors structures, elastic members, and a membrane circuit board; a keyboard base plate having a plurality of positioning members corresponding to the keycaps and integrally formed on the keyboard base plate for positioning the keyboard module on the keyboard base plate; a light guiding plate disposed beneath the key module and over the keyboard base plate, the light guiding plate having a light incoming surface, a bottom surface intersecting the light incoming surface, a light outgoing surface opposite to the light incoming surface, and provided with light holes corresponding to the positioning members; light sources arranged on one side of, the light incoming surface of the light guiding plate, wherein a light emitted from the light sources is transmitted into the light guiding plate from the light incoming surface and transmitted out of the light guiding plate from the outgoing surface; and a reflecting sh
    Type: Application
    Filed: April 6, 2010
    Publication date: October 14, 2010
    Applicant: Chicony Electronics Co., Ltd.
    Inventors: Ching Cheng Tsai, Wen Ching Chiang
  • Publication number: 20100108481
    Abstract: The present invention relates to a light-emitting keyboard, comprising: a membrane circuit board whose bottom surface is printed with a light guide ink; a light source provided on one side of the membrane circuit board for projecting light to enter the light guide ink of the membrane circuit board; a first reflector disposed underneath the membrane circuit board to reflect a portion of the light that escapes from the membrane circuit board to enter the light guide ink of the membrane circuit board; a second reflector provided on top of the membrane circuit board to reflect a portion of the light that does not pass therethrough back towards the light guide ink; a supporting plate disposed on top of the second reflector; a scissor assembly disposed on top of the supporting plate; a keycap disposed on top of the scissor assembly; and an elastic contact body having a contact portion.
    Type: Application
    Filed: May 26, 2009
    Publication date: May 6, 2010
    Applicant: CHICONY ELECTRONICS CO., LTD
    Inventor: Wen Ching Chiang